that was a federal district court judge named sarah hughes aboard air force one when lyndon johnson took the oath of office. there is no constitutional requirement and a woman could add merit oath of office to the president if they choose. but because tradition started with thomas jefferson, i want the chief justice of the united states, that's basically been the unbroken line. eight times it has not been the chief justice. >> probably one of the best inaugurations with the weather. near 40 degrees today. >> the original inauguration day was march 4 because they wanted to get it out of the bad weather. that's when one president william henry harrison died in cold and drafty weather. they did not like the lame duck sessions that were causing everyone grief, they moved it to january 20. that started in 1937. >> all right. thanks. >> michael will be with us throughout the morning. we'll be talking inauguration and carrying it for you live. there's the vice president biden coming out right now. the ceremony will start in about 20 minutes. >> we'll get back to washington, d.c. first in the ba